How did an assassination in Bosnia lead to the outbreak of war between most European countries?

The political reason for the assassination was to break off Austria-Hungary's South Slav provinces so they could be combined into a new country, Yugoslavia. This led to the outbreak of war in Europe at the end of July 1914. Austria-Hungary declared war on Serbia. Both country's allies became involved in the war.

- a government ruled by the people, or assembly. officials monarchy - a single ruler like a king. over time some city-states, like athens would change governments. what this means is that all the citizens voted on all the laws.

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